-d power spectral analysis 二维谱分析
eeg power spectral analysis 脑电功率谱
power spectral analysis method 波谱分析方法
cardiac power spectral analysis 心电频谱图
heart rate power spectral analysis 心功率谱
spectral power analysis 功率谱分析
Here we discussed effects of coronary artery blood to cardiac spectra and the potential clinical application of short-time power spectral analysis in detecting coronary heart disease.
本研究通过对冠心病患者心电频谱图的改变观察，探讨短时程心电信号频谱分析对冠心病患者的临床意义。
参考来源 - 心肌缺血对心电频谱图的影响·2,447,543篇论文数据，部分数据来源于NoteExpress
Using power spectral analysis, centennial and millennial-scale cycles of Paleo-monsoon were extracted. In the cycles, 71 a is the basic cycle of East Asian Monsoon.
应用功率谱分析的方法，提取出同时段百年尺度和千年尺度的古季风周期，其中71 a周期为本文首次提出，并被认为是东亚季风活动最显著的基准周期之一。
Traditional speech signal processing is based on FFT power spectral analysis, in noisy condition, the spectrum of noise and speech signal are processed in the same way.
传统语音信号谱特征的提取是基于FFT 的能谱分析方法，在噪音环境情况下，对噪音的频谱成分与语音信号的频谱成分的处理采用“平均主义”的原则。
This paper briefly introduces the mathematical processing of ARM used in power spectral analysis of discrete time-histories data and confirms the usalitity of ARM in earthquake engineering.
本文扼要叙述了用于离散时程数据的功率谱分析的自相关回归法（ARM）的数学过程。
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